All Japanese homes were seriously damaged up to 6,500 feet in Hiroshima,
and to 8,000 feet in Nagasaki. Most Japanese homes were damaged up to
8,000 feet in Hiroshima and 10,500 feet in Nagasaki.

The hillsides in Nagasaki were scorched by the flash radiation of heat as
far as 8,000 feet from X; this scorching gave the hillsides the appearance
of premature autumn.

In Nagasaki, very heavy plaster damage was observed in many buildings up to
9,000 feet; moderate damage was sustained as far as 12,000 feet, and light
damage up to 15,000 feet.

The flash charring of wooden telegraph poles was observed up to 9,500 feet
from X in Hiroshima, and to 11,000 feet in Nagasaki; some reports indicate
flash burns as far as 13,000 feet from X in both places.

Severe displacement of roof tiles was observed up to 8,000 feet in
Hiroshima, and to 10,000 feet in Nagasaki.

In Nagasaki, very heavy damage to window frames and doors was observed up
to 8,000 feet, and light damage up to 12,000 feet.

Roofs and wall coverings on steel frame buildings were destroyed out to
11,000 feet.

Although the sources of many fires were difficult to trace accurately, it
is believed that fires were started by primary heat radiation as far as
15,000 feet from X.

Roof damage extended as far as 16,000 feet from X in Hiroshima and in